Electrooptic display cells and method of making same using multiple patterns
CA 1106480 A · Owner: Timex Corporation · Inventors: Hall, William; Pummer, Roland
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Multiple arrays of electrode patterns and screen-printed patterns of a glass frit mixture are applied to substrate sheet material suitable for front and back substrates of a liquid crystal cell and the frit is vitrified by firing. Subsequent operation of scribing and breaking of substrate sheet material through frit and electrode patterns provides multiple substrates, with frit and electrodes extending fully to the substrate edges. Subsequently the substrates are sealed together by remelting the frit. -1-
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted August 4, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 4, 1998.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.